[chmsee/f17] (6 commits) ...rebuild for xulrunner 10

[Yuan Yijun]

Summary of changes:

  977541f... reduce build requirement to xulrunner 7 (*)
  76d0920... Merge branch 'rawhide' into f15 (*)
  1608fd9... rebuild for xulrunner 9 (*)
  2d22c43... Merge branch 'rawhide' into f15 (*)
  82cd316... rebuild for xulrunner 10 (*)
  cc8e4ce... rebuild for xulrunner 10

(*) This commit already existed in another branch; no separate mail sent